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Pioneer Construction was contracted by the Grand Beach Hotel near Disney World in Orlando, FL to install new waterlines around the hotel campus. The project was moving along well until Pioneer approach a retaining wall to a landscaped pond. As they were trenching the found a large concrete structure buried 2-3 feet below the surface. After further investigation it was determined that this concrete barrier was an anchor for the retaining wall surrounding the pond. It was important that this concrete anchor point stay in place and undisturbed as there were tensioned cables running from the barrier to the retaining wall. Pioneer decided that they needed to core drill through the concrete in order to not disturb the path of their waterlines. They wanted to be sure to limit the structural damage to the concrete anchor so they contacted Ground Penetrating Radar Systems. GPRS is often contacted to scan elevated concrete slabs as well as concrete slab-on-grade applications for reinforcing steel. Similarly, GPRS has surveyed concrete foundations below buildings and houses for reinforcing steel content. This project, was a new twist on the services that GPRS provides.
Once on site it was easy to see that space was going to be an issue when scanning this concrete barrier. The trench with was roughly 18-24”. The concrete anchor was placed nearly 36” below ground. Chris Moore climbed into the trench, thankful for the portability of the ground penetrating radar equipment and commenced the survey. He clearly and legibly marked out all pieces of reinforcing steel in the concrete anchor labeling them so they could be avoided when drilling. Pioneer Construction was impressed with the customer service and GPR output and will gladly use Ground Penetrating Radar Systems in the future.
If you are interested in obtaining more information or a quote please visit out “Contact Us” page for a local representative near you. The picture below shows Chris Moore using ground penetrating radar to survey the concrete anchor and mark the rebar locations.
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